Introduction to SQL Indexes can usually be created for both primary and secondary keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the name of cities with all entries whose temperature is in the range of 71 and 89 SELECT * FROM weather WHERE temperature NOT BETWEEN 71 to 89; SELECT * FROM weather WHERE temperature BETWEEN 71 AND 89; SELECT * FROM weather WHERE temperature NOT IN (71 and 89); SELECT * FROM weather WHERE temperature NOT IN (71 to 89); SELECT * FROM weather WHERE temperature NOT BETWEEN 71 to 89; SELECT * FROM weather WHERE temperature BETWEEN 71 AND 89; SELECT * FROM weather WHERE temperature NOT IN (71 and 89); SELECT * FROM weather WHERE temperature NOT IN (71 to 89); ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. True False True False ANSWER DOWNLOAD EXAMIANS APP